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SUBSEQUENT EVENT (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Jul. 31, 2013	Jun. 30, 2012
Subsequent Event [Line Items]
Allowance Of Restricted Payments	$ 50	$ 100	$ 50	$ 15	$ 100

X

- Definition

The required allowance of restricted payments related to debt.

+ References

No definition available.

+ Details

Name:	nus_AllowanceOfRestrictedPayments
Namespace Prefix:	nus_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration